Accumulator Explanation of Item Number ① ④ ④ ⑤ ⑥ ⑨ ④ ⑤ ⑦ ⑨ ④ ⑤ ⑧ ⑨ - - - ① APPLICABLE INSPECTION/STANDARD H JAPAN High Pressure Gas Safety Law (Japan) R EUROPE P.E.D. (97/23/EC) N OTHER NACOL (Manufacturer’s) Inspection ※1 Some models may neither be covered by nor support the standards. ⑥ SPECIFICATION FOR TOP CAP & GAS CHARGING SIDE A Top Cap Standard Dynac Valve (G thread) Q SG Valve + Safety Valve + Pressure Gauge ※4 R SG Valve + Fuse Plug + Pressure Gauge ※4 NOMINAL GAS VOLUME ⑤ ⑤ ⑤ L L 1 2 . 5 L L 4 2 1 0 B Maximum Allowable Working Pressure MPa Item Number Nominal Gas Volume L Mass kg A mm A’ mm L mm 21 ① ② -N21MP-LL1- ⑥ ⑦ ⑧ 1 7 300 +8 0 397 +8 0 264 ① ② -N21MP-2.5- ⑥ ⑦ ⑧ 2.5 13 438 +8 0 502 +8 0 369 ① ② -N21MP-LL4- ⑥ ⑦ ⑧ 4 18 581 +8 0 645 +8 0 512 23 ① ② -N23MP-LL1- ⑥ ⑦ ⑧ 1 7 300 +8 0 397 +8 0 264 35 ① ② -N35MP-LL1- ⑥ ⑦ ⑧ 1 14.5 331 +9 0 424 +9 0 291 ① ② -N35MP-2.5- ⑥ ⑦ ⑧ 2.5 23 523 +9 0 530 +9 0 397 ① ② -N35MP-LL4- ⑥ ⑦ ⑧ 4 30 666 +9 0 673 +9 0 540 45 ① ② -N45MP-LL1- ⑥ ⑦ ⑧ 1 14.5 331 +9 0 ö 291 ① ② -N45MP-2.5- ⑥ ⑦ ⑧ 2.5 23 523 +9 0 ö 397 ① ② -N45MP-LL4- ⑥ ⑦ ⑧ 4 30 666 +9 0 540 Dimensional Table ※="Josktyouty"}oznu{z"zurkxgtik"otjoigzout"gxk"lux"xklkxktik4"Vrkgyk"iutãxs"znk"josktyouty"}ozn"znk"giz{gr"vxuj{iz4 ③ SERIES N N Series ② ② BLADDER COMPOUND N Standard Nitrile Rubber (NBR) H Nitrile Rubber for High Temp. Use (H.NBR) L Nitrile Rubber for Low Temp. Use (L.NBR) F Butyl Rubber (IIR) E Ethylene Propylene Rubber (EPDM) C Chloroprene Rubber (CR) G Epichlorohydrin Rubber (CHC) V Fluorine Rubber (FKM) MAWP ④ ④ ④ ④ 2 1 M P 2 3 M P 3 5 M P 4 5 M P ③ ※2 MAWP: Maximum Allowable Working Pressure ※3 For the accumulator with P.E.D. otyvkizout2"znk"sgos{s"grru}ghrk" working pressure designated in each ozks"t{shkx"oy"ot"{tozy"ul"hgx2"tuz"SVg" (e.g. 21 MP -> 210 B). ※:" W"gtj"X"igttuz"hk"ykrkizkj"lux":;SVg4 52 N Series Bladder Type Accumulator Standard Accumulator 1~4L Carbon Steel
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AccumulatorExplanation of Item Number
① ④ ④ ⑤ ⑥ ⑨④ ⑤ ⑦ ⑨④ ⑤ ⑧ ⑨- - -
① APPLICABLE INSPECTION/STANDARD
H JAPANHigh Pressure Gas Safety Law (Japan)
R EUROPE P.E.D. (97/23/EC)
N OTHERNACOL (Manufacturer’s) Inspection
※1 Some models may neither be covered by nor support the standards.
⑥ SPECIFICATION FOR TOP CAP & GAS CHARGING SIDE
ATop Cap StandardDynac Valve (G thread)
QSG Valve + Safety Valve + Pressure Gauge ※4
RSG Valve + Fuse Plug + Pressure Gauge ※4
NOMINAL GAS VOLUME
⑤ ⑤ ⑤L L 1
2 . 5
L L 4
2 1 0 B
Maximum Allowable Working Pressure
MPaItem Number
Nominal Gas Volume
L
Masskg
Amm
A’mm
Lmm
21
① ② - N 2 1 M P - L L 1 - ⑥ ⑦ ⑧ 1 7 300 +8
0 397 +8
0 264
① ② - N 2 1 M P - 2 . 5 - ⑥ ⑦ ⑧ 2.5 13 438 +8
0 502 +8
0 369
① ② - N 2 1 M P - L L 4 - ⑥ ⑦ ⑧ 4 18 581 +8
0 645 +8
0 512
23 ① ② - N 2 3 M P - L L 1 - ⑥ ⑦ ⑧ 1 7 300 +8
0 397 +8
0 264
35
① ② - N 3 5 M P - L L 1 - ⑥ ⑦ ⑧ 1 14.5 331 +9
0 424 +9
0 291
① ② - N 3 5 M P - 2 . 5 - ⑥ ⑦ ⑧ 2.5 23 523 +9
0 530 +9
0 397
① ② - N 3 5 M P - L L 4 - ⑥ ⑦ ⑧ 4 30 666 +9
0 673 +9
0 540
45
① ② - N 4 5 M P - L L 1 - ⑥ ⑦ ⑧ 1 14.5 331 +9
0 291
① ② - N 4 5 M P - 2 . 5 - ⑥ ⑦ ⑧ 2.5 23 523 +9
0 397
① ② - N 4 5 M P - L L 4 - ⑥ ⑦ ⑧ 4 30 666 +9
0 540
Dimensional Table
※
③ SERIESN N Series
②
② BLADDER COMPOUND
NStandard Nitrile Rubber (NBR)
HNitrile Rubber for High Temp. Use (H.NBR)
LNitrile Rubber for Low Temp. Use (L.NBR)
F Butyl Rubber (IIR)
E Ethylene Propylene Rubber (EPDM)
C Chloroprene Rubber (CR)
G Epichlorohydrin Rubber (CHC)
V Fluorine Rubber (FKM)
MAWP④ ④ ④ ④2 1 M P
2 3 M P
3 5 M P
4 5 M P
③
※2 MAWP: Maximum Allowable Working Pressure
※3 For the accumulator with P.E.D.
working pressure designated in each
(e.g. 21 MP -> 210 B).
※
52
N S e r i e s
Bladder Type Accumulator Standard Accumulator
1~4L Carbon Steel
⑦ SPECIFICATION FOR OIL PORT SIDEA Carbon Steel
D Stainless Steel ※5
⑨⑨⑨ SPECIAL SPECIFICATION
* * *
⑧ SPECIFICATION OF SHELL SURFACE TREATMENT SERVICE FLUID
C
Material(Carbon Steel)
D
A※6
B
※6
N
W
H
C F H G ±1% RE J [ 16–320cSt ]
95 90 110 50 80
M42x2
G1/4107172
150 90 90315
95 90110 50 80
112 89 127
G3/8
125166
150 90 95309
112 89 110 50 127 80
125166
150 90 95309
※
※
J
Do
AL F
R
C
E
AH
G
FC
G
E
R
Do
H
J
L
E
J
A
GFC
Do
H
L
R
21MPa-2.5/4L1L
Gas Charging Side Spec:RGas Charging Side Spec:Q
SEALED封 印
A'109
106
A'
Dimensional Drawing
35/45MPa-2.5/4L
53
N Series 1~4L Carbon SteelB
ladd
er Type - S
tandard
Typical Exploded View
① Valve Cover
② Eye Nut ※3
③ Valve Cap
④ O-ring
⑤ Top Cap With Dynac Valve
⑥ Dynac Valve Packing With Valve Stem
⑦ Spring
⑧ Spring Nut
⑨ O-ring
⑩ Bladder
⑪ Accumulator Body
⑫ Nameplate
※1 The typical exploded view for this series.※2 If you purchase ⑩ bladder as the spare
④⑨o-rings will be attached with the bladder.
※3 Only for 2.5L and 4L accumulator which maximum allowable working pressure is 35MPa or more.